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Daniel B. Botkin, a world-renowned ecologist, is Professor (Emeritus), Department of Ecology, Evolution and Marine Biology, UC Santa Barbara, and President of The Center for The Study of The Environment, which provides independent, science-based analyses of complex environmental issues. The New York Times said his book, Discordant Harmonies: A New Ecology for the 21st Century "is considered by many ecologists to be the classic text of the [environmental] movement." His Environmental Science, now in its Sixth Edition, was named 2004's best textbook by the Textbook and Academic Authors Association.